Spanish Reference Guide 288 pp.; 9th Edition Spanish language edition of CRSI's best selling publication! Notable Updates and Revisions: Beam bolsters were revised to show them running longitudinally, rather than transverse. Expanded coverage of reinforcing bars to include rail- and axle-steel (ASTM A996), stainless-steel (ASTM A955) and low-carbon chromium (ASTM A1035). Added nylon sling capacity tables according to current OSHA guidelines. Updated coverage of mechanical splices according to current Reinforcing Bars: Anchorages and Splices publication. Updated welded splice coverage according to AWS D1.4-2011. Expanded coverage of contractor (dropped) bars. Updated illustrations of standard column ties and special condition column ties. Expanded and updated safety precautions coverage, emphasizing the importance of jobsite safety. Updated coverage of bar supports, spiral fabrication tolerances, and first-bar placement according to current Manual of Standard Practice. Updated and expanded mobile crane and construction tower crane signals, according to ASME B30.3-2009 and B30.5-2007.